robot_state_visualization.cpp

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/* Author: Ioan Sucan */
 
#include <moveit/rviz_plugin_render_tools/robot_state_visualization.h>
#include <moveit/rviz_plugin_render_tools/planning_link_updater.h>
#include <moveit/rviz_plugin_render_tools/render_shapes.h>
#include <rviz_common/properties/parse_color.hpp>
#include <rviz_default_plugins/robot/robot_link.hpp>
#include <QApplication>
#include <moveit/utils/logger.hpp>
 
namespace moveit_rviz_plugin
{
namespace
{
rclcpp::Logger getLogger()
{
  return moveit::getLogger("rviz_plugin_render_tools.robot_state_visualization");
}
}  // namespace
 
RobotStateVisualization::RobotStateVisualization(Ogre::SceneNode* root_node, rviz_common::DisplayContext* context,
                                                 const std::string& name,
                                                 rviz_common::properties::Property* parent_property)
  : robot_(root_node, context, name, parent_property)
  , octree_voxel_render_mode_(OCTOMAP_OCCUPIED_VOXELS)
  , octree_voxel_color_mode_(OCTOMAP_Z_AXIS_COLOR)
  , visible_(true)
  , visual_visible_(true)
  , collision_visible_(false)
{
  default_attached_object_color_.r = 0.0f;
  default_attached_object_color_.g = 0.7f;
  default_attached_object_color_.b = 0.0f;
  default_attached_object_color_.a = 1.0f;
  render_shapes_ = std::make_shared<RenderShapes>(context);
}
 
void RobotStateVisualization::load(const urdf::ModelInterface& descr, bool visual, bool collision)
{
  // clear previously loaded model
  clear();
 
  robot_.load(descr, visual, collision);
  robot_.setVisualVisible(visual_visible_);
  robot_.setCollisionVisible(collision_visible_);
  robot_.setVisible(visible_);
}
 
void RobotStateVisualization::clear()
{
  render_shapes_->clear();
  robot_.clear();
}
 
void RobotStateVisualization::setDefaultAttachedObjectColor(const std_msgs::msg::ColorRGBA& default_attached_object_color)
{
  default_attached_object_color_ = default_attached_object_color;
}
 
void RobotStateVisualization::updateAttachedObjectColors(const std_msgs::msg::ColorRGBA& attached_object_color)
{
  render_shapes_->updateShapeColors(attached_object_color.r, attached_object_color.g, attached_object_color.b,
                                    robot_.getAlpha());
}
 
void RobotStateVisualization::update(const moveit::core::RobotStateConstPtr& robot_state)
{
  updateHelper(robot_state, default_attached_object_color_, nullptr);
}
 
void RobotStateVisualization::update(const moveit::core::RobotStateConstPtr& robot_state,
                                     const std_msgs::msg::ColorRGBA& default_attached_object_color)
{
  updateHelper(robot_state, default_attached_object_color, nullptr);
}
 
void RobotStateVisualization::update(const moveit::core::RobotStateConstPtr& robot_state,
                                     const std_msgs::msg::ColorRGBA& default_attached_object_color,
                                     const std::map<std::string, std_msgs::msg::ColorRGBA>& color_map)
{
  updateHelper(robot_state, default_attached_object_color, &color_map);
}
 
void RobotStateVisualization::updateHelper(const moveit::core::RobotStateConstPtr& robot_state,
                                           const std_msgs::msg::ColorRGBA& default_attached_object_color,
                                           const std::map<std::string, std_msgs::msg::ColorRGBA>* color_map)
{
  robot_.update(PlanningLinkUpdater(robot_state));
  render_shapes_->clear();
 
  std::vector<const moveit::core::AttachedBody*> attached_bodies;
  robot_state->getAttachedBodies(attached_bodies);
  for (const moveit::core::AttachedBody* attached_body : attached_bodies)
  {
    std_msgs::msg::ColorRGBA color = default_attached_object_color;
    double alpha = robot_.getAlpha();
    if (color_map)
    {
      std::map<std::string, std_msgs::msg::ColorRGBA>::const_iterator it = color_map->find(attached_body->getName());
      if (it != color_map->end())
      {  // render attached bodies with a color that is a bit different
        color.r = std::max(1.0f, it->second.r * 1.05f);
        color.g = std::max(1.0f, it->second.g * 1.05f);
        color.b = std::max(1.0f, it->second.b * 1.05f);
        alpha = color.a = it->second.a;
      }
    }
    rviz_default_plugins::robot::RobotLink* link = robot_.getLink(attached_body->getAttachedLinkName());
    if (!link)
    {
      RCLCPP_ERROR_STREAM(getLogger(), "Link " << attached_body->getAttachedLinkName() << " not found in rviz::Robot");
      continue;
    }
    Ogre::ColourValue rcolor(color.r, color.g, color.b);
    const EigenSTL::vector_Isometry3d& ab_t = attached_body->getShapePosesInLinkFrame();
    const std::vector<shapes::ShapeConstPtr>& ab_shapes = attached_body->getShapes();
    for (std::size_t j = 0; j < ab_shapes.size(); ++j)
    {
      render_shapes_->renderShape(link->getVisualNode(), ab_shapes[j].get(), ab_t[j], octree_voxel_render_mode_,
                                  octree_voxel_color_mode_, rcolor, alpha);
      render_shapes_->renderShape(link->getCollisionNode(), ab_shapes[j].get(), ab_t[j], octree_voxel_render_mode_,
                                  octree_voxel_color_mode_, rcolor, alpha);
    }
  }
  robot_.setVisualVisible(visual_visible_);
  robot_.setCollisionVisible(collision_visible_);
  robot_.setVisible(visible_);
}
 
void RobotStateVisualization::updateKinematicState(const moveit::core::RobotStateConstPtr& robot_state)
{
  robot_.update(PlanningLinkUpdater(robot_state));
}
 
void RobotStateVisualization::setVisible(bool visible)
{
  visible_ = visible;
  robot_.setVisible(visible);
}
 
void RobotStateVisualization::setVisualVisible(bool visible)
{
  visual_visible_ = visible;
  robot_.setVisualVisible(visible);
}
 
void RobotStateVisualization::setCollisionVisible(bool visible)
{
  collision_visible_ = visible;
  robot_.setCollisionVisible(visible);
}
 
void RobotStateVisualization::setAlpha(double alpha)
{
  robot_.setAlpha(alpha);
}
}  // namespace moveit_rviz_plugin